Who’s living down in the mud? Discover what types of creatures live underground and all about the special characteristics they possess. This self-guided hands-on discovery activity is available daily in June from 11 - 4 p.m. in the Children's Garden, and is part of our celebration of "Marvelous Mud" during Leave No Child Inside Month. No registration required. Weather permitting. Free (with paid admission) to all ages & adult. For more information visit mortonarb.org.